The invention relates to the technical field of spacecrafts, in particular to a heat knife locking and releasing device and a mounting method.The heat knife locking and releasing device comprises a first base, a second base, a pre-tightening assembly and a connecting wire, the pre-tightening assembly comprises a pre-tightening screw and a sliding block, the pre-tightening screw is rotationally connected with the first base, and the sliding block and the pre-tightening screw are in spiral transmission; the connecting line is connected with the second base and the sliding block; the hot knife assembly is configured to fuse the connecting line when powered on. According to the heat knife locking and releasing device, the tightness degree of the connecting line can be adjusted by rotating the pre-tightening screw, and the locking reliability between parts of a spacecraft is guaranteed.
本发明涉及航天器技术领域,尤其涉及一种热刀锁紧释放装置及安装方法,该热刀锁紧释放装置包括第一基座、第二基座、预紧组件和连接线,预紧组件包括预紧螺钉和滑块,预紧螺钉与第一基座转动连接,滑块与预紧螺钉螺旋传动;连接线连接第二基座和滑块;热刀组件被配置为在通电时熔断连接线。上述热刀锁紧释放装置通过旋转预紧螺钉即可实现对连接线松紧的调节,保证了航天器各部件之间的锁紧可靠性。
Hot knife locking and releasing device and mounting method
热刀锁紧释放装置及安装方法
14.07.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B64G Raumfahrt , COSMONAUTICS |
Light shock-free reusable heat knife type locking and releasing device and control method thereof
Europäisches Patentamt | 2015
|Europäisches Patentamt | 2020
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